Need help on rjs calls and partials

Hey all -

What I'm trying to accomplish is creating my own edit in place on a set of data. Right now I'm just toying with some nonsense app, but when I figure it out it'll be put to good use. I divide my code between the view, the partial, the controller and the rjs template. For the sake of example, I have a list of products and I'm trying to enable editing their names: